时间:2021-07-01 10:21:17 帮助过:16人阅读
例子
SELECT TOP 50 PERCENT * FROM Persons
MySQL 语法
SELECT column_name(s)
FROM table_name
LIMIT number
例子
SELECT * FROM Persons LIMIT 5
Oracle 语法
SELECT column_name(s)
FROM table_name
WHERE ROWNUM <= number
例子
SELECT * FROM Persons WHERE ROWNUM <= 5
SQL DML 基础语法
标签:数据 where 删除表 情况 percent span table 插入数据 code